Tension for loom-shuttles.



E. S. STIMPSON.

` TENSION FOR LOOM SHUTTLBS.

APPLICATION FILED AUG. 2, 1912.

2 SHEETS-SHEET 1.

mOsO?.

E. S. STIMPSON. TENSION POR LOOM s HUTTLEs. APPLICATION FILED AUG. 2, 1912.

Patented .my 14,1914. v

veye end ef the enuie "if 1'. wm. .i ffii' v i. i @Sie EDW'ARD S. STI'MPSON, 0F HOEEDALE, MASSACHUSETTS, ASSGNOR T) DR'E' COMPANY, 0F HOPEDALE, MASSACHUSETTS, A CORPORATION 0E? MARNE.

TENSION FOR LOOM-SHUTTLES.

Specification of Letters Patent.

Application fue@ August 2, 1912. @rial No. 712,878,

new :m improved Tension for Loom-Shuttien. i

The present invention consists in en im pro'venient epee thevehaiacter of tension foi leem shuttles. which sei; 'forth in United States Letters Pai/en?, of Samuel. B. Ciiiixg No. 727,594nl dated Muy l2, 19GB,

in eeeerifizanee with the present in Ventioii, the weft thread on its way 'from the wefteziii'iei: Within die Shutie i0 the ehutle-eye pasees between n i'eiativeiy staiomiry tension sui-fece mid :i sm'iiig-preeeed teneifm4 iiiemhei" which applies 'die fequisite tension m Ythe thread anni which pei'mits the x'eziiy :ulivi/initie threading e' l@he eh'xilite.

Figui-e l, ie 1 plan -view ef he eye end of :in automa miiy tiiieeii'ip; ehette. Fig. 2, is a hmgitudi'imi section in ehe phme indi.- Czited hy the line in Fig. E. Fig. 53, is ai eyesweeetiim in the piene ii'idieeted by the line m3 iii i.. Fig' 4, is :L View of the 'fiumi the side eppfi site 'where the eye .is ieezited. Fig. 5, ie e pei-epeeiw; View of the Severn] Specific ievieee i h ere esseeiaied together te give tension te the Ihieafi.

The impi'weii sixiittie--iiis-1iou is shewn ne em'ieii "ce en niiei'i'iaiiziiiy ti'ireadiixg eiiubtle which is siihstnn/iniiy siiiiihii' to that shown in United States; Lettere Tiieii", Ne. 93374-97, de'tef'i fiepi'emhei' 7, 1909.

rThe shuttle has; a threading; ei'iai'iihe B, at les eye-end ie. which ii; located :i she n'ietni. threading device ai? the ehiiiiieteff d scribed ile eeidlzie t, e, fyim. ililzi, it this; sheet ie thremiiiig Lieviee comprises seperated xeiliezii side weile C., B, e henk il ai the from which directs the thread no he eye E of the Shuttle, a guard G, et he from', whieh Overhzmpgs the beak, zi Emir/Li H., et the rmi' of the thread passage M, whieh xe'tnins; the thread in the thread paseage heiweee 1the two eide waiis of the threading device The Weil C, ai', the front er eye eifie o the shut/c e fudthe wail D, is athe opposite onrealside of Uieshuttle. 'ride ehrefidingj piece hy meme ef e tra extends; tiieegii body lrid. thieediiigg' el, 'diie I', eeimei'em body, :1S ahese respects; me Cmisr" tieiiy tha e1? eeii Y The im 1 pesev of the v L I l nutenmueeiiy appiy eiiemii ie :is ii; passes from the weft hi'oiigh the thezid passage M, te The tension deviee eenelee e?" flee ihemie staioisiry abutment W, emi ii, ifif-yfeifseiy mevahie pseesei G. The'eteiemu'y ehmment N., is eenetiwiied iff-the n ical' waii of e rrietiiii'ie channeled, which wi'hiri Jdie ehr. whii-.h hue :i nieuwe heie 55 which the heit iherehv homing the ehaiiiieleifi bleek m piace, The entrai ehehnel Re ei this bleek constitutes pmftieii of the thread passage M, through which, the thread pussies. The freut will el' :abutment NI "e heveied :it its ierwniiiedge ne she vn at .-i, in Fig. 5, und ayemid this the iihi'eeii te the Shuttle-eve i?. The zihivzmee, N, has :L verilicai recess T, shown in Wie, il, which is eppoeie a vei'ieiii guide sie: in the e'ppoiie mili of @he Lei I 'hie sie@ U7 eeieiitntes ih@ the p'ieseei' 4)? iv1 h ext-ei vis wie xiii eide Sinin und else ,uk )ifi-Ime in l the reni" imi i inward the xeeeee r Dessel' ggi'essseii he ahumeni', N, by menage ei 2i spring;

deifseifevv' 5 inte 'ehe mit ix.

rThe pr-eser i: the ahutnizem 'the 'ee ieiiiieied iigzvpei' i', zihiign'ieiit i?, uis ehe mi ei ing' i Haring entrance for he h'eed drawn thi-(nigh Sage M, R, te the eye i, be s it; i'iiiee down the beveed f jyielciiiif; presser and i* by bhe presser U, 'pressing ii- ;igiinet the ehiiirieiit et Jdie me 'e This 1S done niiteiimmeeiiy' w thi-ende itseij: or 1s threaded.

il LLL@ l@ I arrosto-er' acting on the presser O, maintains the `rover tension u on the thread duiin i the, P

running of thesliuttle.

elann:- 5 l. An automatically threading shuttle having, in combination, a sheet instal threader having a. longitudinal thread pasn sage with a slot in its side Wall opposite the slotted shuttle eye; longitudinally channeled 'tension block iittingl in said thread passage with. a guide groove in its Wall op posite the shuttle eye and registering with the slot in the theader Wall, said tension block also lia-ving; an abutment on the side adjacent to the shuttle eye and a vertical recess in the abutment facing),r the guide groove; a spring-pressed presser fitting in said guide groove and in the slot of the threader and adapted to press the thread against the abutment and into the vertical recess thereof, the top of said presser being adapted to direct the thread toward the abutment; a nut in a recess in the shuttle body 'opposite the presser; an adjusting screw tting in said nut; a spring between the screw and the presser; and single transverse bolt passing; through both the threading device and the tension blooli. and holding; them in place.

2. An automatically threading shuttle having, in combination, a tlireader having a longitudinal thread passage with a slot in 'its side Wall opposite the slotted shuttle eye;' a longitudinally channeled tension block fitting in said thread passage with a guide groove in its Wall opposite the shuttle eye and registering with the slot in the threader Wall, said tension block also having an abutment on the side adjacent to theshuttle eye and a vertical recess 'in the ment facing the guide Groove; a spring,`-

pressed presser fitting in said, guide groove and in the slot of the tlirea'der adapted to' press the' thread against the abutment land into the vertical recess thereof; and a single 'transverse bolt passing through both the threading device and the tension block and holding theni in place.

fin automatically threading shuttle having in combination7 a threader having a longii" dinal thread passage with a slot in its side Wall opposite the slotted shuttle eye; a longitudinally channeled tension' bloeit fitting in said thread passage with a guide groove in its wall opposite the shuttle eye and registeringwith theslot in the threader Wall, said tension block also having an abutment on the side acont to the shuttle eye and a vertical recess in the abut nient :facing the guide groove; and a springpressed presser litting in said guide groove and in the slot oi the threader adapted to press the thread against the abutment and into the vertical recess thereof.

ll, An automatically threading shuttle having, in combination, a threader having a longitudinal thread passage with a slot in one of its side walls; a longitudinally cliannoled tension block fittingin said thread passage with a guide I@,roove in its Wall reg` istering-With the slot in the threader Wall.,

said tension block also having an abutment.

opposite said groove; and a spri1ig-pressed presser tting in said guide groove and in the slot of the threader and adapted to press the thread against the abutment.

ln Witness whereof, I have hereunto signed my name in the presence of two subscribing; witnesses.

nnivann s sfrinrson. Witnesses:

nsnnun'r F. MOWRY, E, D. Ose/ooo. 

